TABLE 1.
Entry | Composition | Fiber structure | Properties and functions | Applications | Ref. |
---|---|---|---|---|---|
Flexible bioelectronics |
Core: PVDF‐BTO Shell: PVDF‐GO |
Core‐shell | Piezoelectricity, conductivity, sensitivity of 10.89 ± 0.5 mV kPa–1 | Human motion monitoring and tactile imaging | [7] |
PVA/Polyurethane/Au | Solid, random | Ultrathin nanomesh without sensory interference | Finger force monitoring | [29] | |
PU | Solid, random | Flexibility, no interference | Pulsing cardiomyocytes monitoring | [30] | |
Outer shell: PVA Inner shell: DA Core: PVDF |
Core‐shell, aligned | Humid sensitivity and selectivity | Mental sweating monitoring | [31] | |
PVDF/BTO | NPs‐embedded, random | Lightweight, sensitivity of 3.95 V N−1 | Physiological monitoring | [32] | |
Core: PVDF Shell: hydroxylamine hydrochloride |
Core/shell, random | Self‐orientated nanocrystals, enhance β‐phase of PVDF | Detection of cardiovascular micropressure | [33] | |
Core: PVDF Shell: DA |
Core/shell, random | Enhance β‐phase of PVDF, soft, piezoelectricity | Detection of diaphragm motions and blood pulsation | [34] | |
Silver‐doped PVDF | Aligned | Flexibility, enhanced piezoelectricity than random one | Respiratory monitoring | [35] | |
PVDF‐TrFE, PU, PVDF‐HFP | Random | Triboelectric, piezoresistive, thermoresistive sensing | Human motion and breathing sensors | [36] | |
P(VDF‐TrFE)/BTO | NPs‐anchored, random | Self‐powered, 84 V, 1.32 μA | Implantable vagal neuromodulation stimulator | [38] | |
PVDF‐TrFE | Aligned | Piezoelectricity, electromechanical stimulation, ion channel modulation | Piezo‐bioelectronics | [39] | |
PCL/gelatin | Random | Biomimicking of heart matrix, porous, penetrative | Cell electrical activity recording and therapeutic control | [40] | |
BTO crystals | Solid, random | Flexibility, fast response time of 80 ms | Piezoelectric sensors | [76] | |
Silica | fiber fragment | High robustness, transparent, conductivity of 3.93 S m–1 | Pulse and handwriting detecting | [77a] | |
Carbon nanotube (CNTs) | Yarn | Flexibility, 3D‐printed, temperature sensitivity of 1.95%°C−1 | Wearable temperature sensor | [83a] | |
Tissue engineering |
Inner layer: HAp‐loaded gelatin Outer layer: antibacterial agent‐loaded PCL |
Random inner and aligned outer layer | Enhanced osteogenic and antibacterial effects, macrophages polarization | Bone regeneration | [41] |
MSN‐based PCL/gelatin | Particle‐embedded, random | Dual‐delivery for increased bone formation and inhibited bone resorption | Bone regeneration | [47a] | |
PCL/HAp | Honeycomb‐like | Differentiated bone cells without chemical factor | Maxillofacial repair in bone regeneration | [49] | |
MgO‐loaded PLA/gelatin | NPs‐embedded. random | Biodegradable, elevated mechanical, antibacterial, and osteogenic properties | Periodontal tissue regeneration | [64] | |
Gelatin/PLGA | 3D‐printing scaffolds, latticed | Chondrocytes‐laden, good elasticity, and water‐induced shape memory | Cartilage regeneration | [83b] | |
PCL/poly(3‐hydroxybutyrate) (PHB)/PANi | Bioactive molecular‐laden | Enhanced piezoelectricity, prolonged drug release, enhanced osteogenesis, and mineralization | Bone tissue engineering | [85] | |
PVDF/FeOOH | Nanorod on fiber | Ultrasonic‐driven piezoelectricity and ion release, neural differentiation | Neural tissue engineering | [19] | |
SMPs | Aligned, 4‐channel tubular conduit | Bioinspired, degradable, cell‐laden | Peripheral nerve regeneration | [27a] | |
Gelatin methacrylate (GelMA) | Aligned conduit | Inducing neural differentiation, inhibiting the glial scar formation | Spinal cord regeneration | [78] | |
PCL | Aligned | Functionalized with gradient concentration of NGF, similar performance with autograft | Sciatic nerve regeneration | [86] | |
PCL/silk fibroin/CNTs | Interwoven aligned | Promoted cell maturation and endothelialization | Artificial 3D cardiac anisotropy for cardiac tissue regeneration | [26a] | |
PLGA, PVDF, cellulose | Aligned and helix yarn | Highly stretchable, promoted myogenic differentiation | Various tissue engineering | [26b] | |
CNTs sheets | Superaligned | Efficient electrotonic propagation, reduced signal dispersion | Myocardial resynchronization in cardiac tissues | [54] | |
GelMA | Random | Tissue‐adhesive patch, optimized mechanical and conductive properties, restore electromechanical coupling | Cardiac tissue regeneration | [77b] | |
PU | Aligned array onto a latticed gauze fiber | Self‐pumping the biofluid, faster re‐epithelialization, and collagen formation | Wound healing for skin regeneration | [44] | |
PCL/F‐127 | 3D scaffold with radially or vertically aligned nanofibers | Enhanced re‐epithelialization or granulation tissue formation in the diabetic wound | Diabetic wound healing | [58] | |
PLGA/fish collagen | Random, aligned and latticed | Better healing effect and immunomodulatory properties for the aligned one | Wound healing for skin regeneration | [81] | |
PLGA/PCL | Rolling up into tubular scaffolds | Three cell lineages‐laden to form a biomimetic vessel, controllable shape during biodegradation | Vascular tissue engineering | [45] | |
PCL |
Double layered tube Inner: random Outer: orientated |
3 mm diameter, endothelial progenitor cells and differentiation of MSCs into smooth muscle cells | Vascular tissue engineering | [72] | |
PCL/GelMA | Self‐rolled from 2D surface into 3D tubular shape at 37°C | Desirable endothelial cell attachment, deformation properties | 3D endothelialization | [79b] |